如何使用intellij IDEA搭建Spring Boot项目

Z时代
2024-01-10
分类：综合

在Spring Boot" title="Spring Boot">Spring Boot maven框架搭建教程图解一文中，已经介绍了如何使用Eclipse快速搭建Spring Boot项目。由于最近将开发工具由Eclipse转向了IDEA，在搭建Spring Boot项目时发现二者搭建流程不一样，因此，特记录下来搭建流程，方便日后查阅，也希望可以帮到初学者。在文末介绍如何读取application.properties文件的配置信息。

一. 在File-New-Module 页面选择Spring initializr

二. 在Type处选择: Maven Project(项目的构建工具)

三. 创建依赖时勾上web,mybatis,mysql 此项是否勾选看个人需要吧，可以自主选择。Spring Boot版本默认选择最高稳定版。

我自己并未勾选MySQL和MyBatis，上图为勾选后的效果。新建四个类East7Application、ConfigBean、UserController和User


package com.east7;
import com.east7.bean.ConfigBean;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
/**
* @author east7
*/
@SpringBootApplication
@EnableConfigurationProperties({ConfigBean.class})
public class East7Application {
  public static void main(String[] args) {
    System.out.println("port : 8087");
    System.out.println("URL: http://localhost:8087/user/viewUser");
    SpringApplication.run(East7Application.class, args);
  }
}

@EnableConfigurationProperties和@Value注解用于读取配置文件。


package com.east7.controller;
import com.east7.bean.User;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
/**
 * @author east7
 */
@RestController
@RequestMapping("/user")
public class UserController {
  private static Logger logger = LoggerFactory.getLogger(UserController.class);
  @Value("${config.data.test}")
  private String configData;
  @Autowired
  private ConfigBean configBean;
  /**
   * 示例地址 http://localhost:8087/user/viewUser?ownerId=100
   *
   * @author east7
   * @date 2019/5/8 11:27
   */
  @RequestMapping("/viewUser")
  public User viewUser(Long ownerId) {
    logger.info("请求参数 ownerId = " + ownerId);
    User user = new User();
    user.setId(ownerId);
    user.setName(" --> Lucy");
    return user;
  }
  @RequestMapping("/readConfig")
  public User readConfig() {
    logger.info("请求参数 name = " + configData);
    User user = new User();
    user.setId(263L);
    user.setName(" --> " + configData);
    return user;
  }
  @RequestMapping("/readConfigSet")
  public User readConfigSet() {
    User user = new User();
    user.setId(269L);
    user.setName(configBean.getName() );
    user.setMsg(configBean.getWant());
    return user;
  }
}


package com.east7.bean;
import java.io.Serializable;
/**
* @author east7
*/
public class User implements Serializable {
  private static final long serialVersionUID = 6089103683553156328L;
  private Long id;
  private String name;
  private String msg;
  // omit getter, setter and toString
}


package com.east7.bean;
import org.springframework.boot.context.properties.ConfigurationProperties;
/**
* @author east7
* 读取配置文件
*/
@ConfigurationProperties(prefix = "config.set")
public class ConfigBean {
  private String name;
  private String want;
  // omit getter, setter and toString
}

搭建完成后，结构如下：

相对应的pom.xml文件


<?xml version="1.0" encoding="UTF-8"?><project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com</groupId>
  <artifactId>east7</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <name>east7</name>
  <packaging>jar</packaging>
  <name>demo</name>
  <description>Demo project for Spring Boot</description>
  <parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>2.1.4.RELEASE</version>
    <relativePath/> <!-- lookup parent from repository -->
  </parent>
  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
    <java.version>1.8</java.version>
  </properties>
  <dependencies>
    <dependency>
      <groupId>org.mybatis.spring.boot</groupId>
      <artifactId>mybatis-spring-boot-starter</artifactId>
      <version>1.3.1</version>
    </dependency>
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-test</artifactId>
      <scope>test</scope>
    </dependency>
  </dependencies>
  <build>
    <plugins>
      <plugin>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-maven-plugin</artifactId>
      </plugin>
    </plugins>
  </build>